Related papers: From time to causality

This paper has been withdrawn by the author due to similarity to the author's other paper

This paper has been withdrawn by the authors due to numerical problems to get viable results.

This paper has been withdrawn by the author due to a crucial error.

This paper has been withdrawn.

This paper has been withdrawn by the authors because the paper is largely revised and improved, and to appear in Mechanics Research Communications.

This paper has been withdrawn.

This paper has been withdrawn due to copyright reasons.

This paper has been removed by arXiv administrators because it plagiarizes hep-th/0311050, gr-qc/0306101, gr-qc/9601044, gr-qc/0511106, gr-qc/0303034, and gr-qc/0212018.

This paper has been withdrawn by the author.

This paper has been withdrawn. (Reason) Its contents have been entirely superseded by the contents of the articles arXiv:0809.3444 and arXiv:0705.3070. There is no profitable reason to keep it alive. No material on it is however wrong.

This paper has been withdrawn.

This paper has been withdraw by the author due to adding more modeling results.

Paper withdrawn. Replaced by by gr-qc/0212077 .

This paper has been withdrawn, because the result turned out to be well known.

This paper has been withdrawn by the author due to some errors.

This paper has been withdrawn by the author

This paper has been withdrawn by the author, because it was merged into cs.HC/0508041

This paper has been withdrawn by the author due to an erro thereon line -2 of page 4.

The paper has been withdrawn by the author.

This paper has been withdrawn by the author.